Portable marine control unit



FIG. 1 is a front perspective view of a portable marine control unit showing my new design;

FIG. 2 is an front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown. 

The ornamental design for a portable marine control unit, as shown and described. 